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High-resolution ima...
High-resolution imaging of skin deformation shows that afferents from human fingertips signal slip onset
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- Delhaye, Benoit P. (författare)
- Institute of Information and Communication Technologies, Electronics and Applied Mathematics, Université catholique de Louvain, Louvain-la-Neuve, Belgium; Institute of Neuroscience, Université catholique de Louvain, Brussels, Belgium
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- Jarocka, Ewa (författare)
- Umeå universitet,Institutionen för integrativ medicinsk biologi (IMB)
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- Barrea, Allan (författare)
- Institute of Information and Communication Technologies, Electronics and Applied Mathematics, Université catholique de Louvain, Louvain-la-Neuve, Belgium; Institute of Neuroscience, Université catholique de Louvain, Brussels, Belgium
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- Thonnard, Jean-Louis (författare)
- Institute of Information and Communication Technologies, Electronics and Applied Mathematics, Université catholique de Louvain, Louvain-la-Neuve, Belgium; Institute of Neuroscience, Université catholique de Louvain, Brussels, Belgium
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- Edin, Benoni B. (författare)
- Umeå universitet,Institutionen för integrativ medicinsk biologi (IMB)
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- Lefèvre, Philippe (författare)
- Institute of Information and Communication Technologies, Electronics and Applied Mathematics, Université catholique de Louvain, Louvain-la-Neuve, Belgium; Institute of Neuroscience, Université catholique de Louvain, Brussels, Belgium
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(creator_code:org_t)
- eLife Sciences Publications Ltd, 2021
- 2021
- Engelska.
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Ingår i: eLIFE. - : eLife Sciences Publications Ltd. - 2050-084X. ; 10
- Relaterad länk:
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https://doi.org/10.7...
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https://umu.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.7...
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Abstract
Ämnesord
Stäng
- Human tactile afferents provide essential feedback for grasp stability during dexterous object manipulation. Interacting forces between an object and the fingers induce slip events that are thought to provide information about grasp stability. To gain insight into this phenomenon, we made a transparent surface slip against a fixed fingerpad while monitoring skin deformation at the contact. Using microneurography, we simultaneously recorded the activity of single tactile afferents innervating the fingertips. This unique combination allowed us to describe how afferents respond to slip events and to relate their responses to surface deformations taking place inside their receptive fields. We found that all afferents were sensitive to slip events, but FA-I afferents in particular faithfully encoded compressive strain rates resulting from those slips. Given the high density of FA-I afferents in fingerpads, they are well suited to detect incipient slips and to provide essential information for the control of grip force during manipulation.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Fysiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Physiology (hsv//eng)
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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